powder

powder

[pow´der]

an aggregation of particles, as that obtained by grinding or rubbing a solid.

pow·der

(pow'dĕr),

1. A dry mass of minute separate particles of any substance.

2. In pharmaceutics, a homogeneous dispersion of finely divided, relatively dry, particulate matter consisting of one or more substances; the degree of fineness of a pow'der is related to passage of the material through standard sieves.

3. A single dose of a powdered drug, enclosed in an envelope of folded paper.

powder

2. Any of various preparations in the form of powder, as certain cosmetics and medicines.

pow′der·er n.

powder

the dried product of an extraction process in which a substance is first mixed with a solvent such as alcohol or water. Then, the solvent is removed completely. The dry solid that remains either is already in powder form or may be ground into it.

powder

Chinese medicineA general term for ground herbs and formulas used in Chinese herbal medicine to prepare in capsules, infusions, liquors, porridges, ointments, pastes and pills; powders are less concentrated than decoctions, gentler, are best suited for chronic conditions.

The powders were neatly enough made up, but not with the nicety of the dispensing chemist; so that it was plain they were of Jekyll's private manufacture: and when I opened one of the wrappers I found what seemed to me a simple crystalline salt of a white colour.

There was no answer, and she continued in a trembling voice: "I went to get those powders I'd put away in father's old spectacle-case, top of the china-closet, where I keep the things I set store by, so's folks shan't meddle with them-" Her voice broke, and two small tears hung on her lashless lids and ran slowly down her cheeks.

After first passing a cambric handkerchief, with some white powder on it, over the part of her neck on which he designed to operate, he placed two layers of color on the moles with the tip of the brush.

That a proper quantity of this powder rammed into a hollow tube of brass or iron, according to its bigness, would drive a ball of iron or lead, with such violence and speed, as nothing was able to sustain its force.

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